Local guides / Washington

WATER HEATER REPLACEMENT IN MONROE

Monroe Water Heater
Replacement

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MONROE AT A GLANCE

Replacing a water heater in Monroe.

Yes, Monroe requires a plumbing permit to replace any water heater, plus a mechanical permit for a gas unit. Since March 2026, you apply for both on the city's online portal. Fees are low ($32 base plus $11 for each heater, plus 5%). Snohomish County PUD supplies electricity, and the city's water, bought from Everett, is very soft.

Historic storefronts along Main Street in downtown Monroe, Washington, on a winter afternoon
Main Street in downtown Monroe · Photo: SounderBruce ↗ · CC BY-SA 4.0 ↗
Permit to replace with the same type
Yes · City of Monroe Community Development (Building Division)
Permit fee
Plumbing: $32 base plus $11 for each water heater (tank or tankless). Mechanical for gas: $32 base plus $16 for a gas water heater. Every permit adds a 5% technology fee (Schedule B, effective January 1, 2026). About $45 for electric and about $95 for gas with both permits.
Electric utility
Snohomish County PUD
Gas utility
Puget Sound Energy
Water
City of Monroe water utility; all water is purchased from the City of Everett (Spada Lake Reservoir) · About 12.5 ppm total hardness (range 10.2-15.8 ppm), very soft, per the City of Everett's 2025 Water Quality Summary for the supply Monroe buys.
Rebate worth checking
PSE heat pump water heater rebate (Active)
Typical home
Built 1997 (median) · 72% owner-occupied
Companies found
10 that advertise water heater work

01 / TYPICAL PRICES

What a new water heater costs.
Know before you call.

Gas or electric tank

Storage tank

Conventional electric storage water heater illustration
$1,600–$2,400Typical cost, including installation
Hybrid electric storage

Heat-pump tank

Hybrid heat-pump water heater with upper air grille illustration
$2,500–$5,000Typical cost, including installation
Gas or electric tankless

Tankless

Compact gas tankless water heater illustration
$2,400–$5,400Typical cost, including installation

AI equipment illustrations; models vary and images are not to scale. Typical national prices from Home Depot ↗, checked September 28, 2026. The source doesn’t say how many jobs the ranges are based on. These are not Monroe averages or guaranteed quotes.

Compare what each quote includes.Equipment · Labor · Permits · Old heater removalHow to compare quotes →

What we know about prices in Monroe

How we label prices →

Yearly running cost at Washington energy prices

$296 gas storage tank$204 gas tankless$512 electric storage tank$135 heat-pump tank

Estimated yearly energy cost for medium hot water use, based on Department of Energy test conditions. How we calculated this.

What can change the price in Monroe?

Gas units need a mechanical permit as well as the plumbing permit. Washington L&I, not the city, issues electrical permits.

What affects installation cost →

02 / COMPANIES WE FOUND

Who replaces water heaters in Monroe?

Companies that advertise water heater replacement here, with what their water heater customers say.

Companies we found in our research. They are not Ember & Tank providers or partners. We show selected reviews, not a rating or every review. How we choose reviews →

Bee's Plumbing & Heating

Lists Monroe among the areas it serves. Based in Seattle.

  • Tank
  • Tankless
  • Repair
  • Emergency service

Published price: Coupon: '$500-$800 OFF Water Heater Installation' ($500 off tank, $800 off tankless; not valid on dispatch fee; expires 9/30/2026). No base installed prices published.

What the reviews say

Water heater feedback Reviewers praised same-day response, clear explanation of options and quick tank and tankless installs.

Worth knowing Reviewers on BBB and Yelp said water heater prices were far above other quotes or not itemized (the company said on BBB it later sent an itemized invoice and wanted to make it right).

5 water heater reviews read, checked September 30, 2026.

Brennan Heating & Air Conditioning

Lists Monroe among the areas it serves. Based in Seattle.

  • Tank
  • Tankless
  • Heat pump
  • Repair
  • Emergency service

What the reviews say

Water heater feedback No water heater-specific praise was found in the sources checked.

Worth knowing A BBB complainant said a gas tank was installed facing the wrong way, blocking access to controls (Brennan apologized and scheduled a return visit to rotate it), and Yelp reviewers described a delayed Costco-sourced install and a later diagnosis they disputed.

3 water heater reviews read, checked September 30, 2026.

CM Heating

Lists Monroe among the areas it serves. Based in Everett.

  • Tank
  • Tankless
  • Heat pump
  • Repair
  • Emergency service

Published price: Water heater replacement 'Starting at $2,349' or as low as $29.99/month with price match guarantee; tankless '$49.99/mo. Installed'. Deals page: gas or electric water heater 'starting at just $44.99/month installed' with lifetime repairs and maintenance (50-gal electric / 40-gal gas standard units, Comfort as a Service program); up to $200 off tankless or standard installation. Diagnostic fee $89.95 (waived with approved repair). ;

What the reviews say

Water heater feedback Reviewers praised a same-day water heater replacement and professional, friendly installation crews.

Worth knowing A Yelp reviewer said CM told him it no longer works on tankless water heaters after selling him one, and another said a service call yielded a replacement quote instead of an inspection, which the company refunded after he complained.

4 water heater reviews read, checked September 30, 2026.

Danika Plumbing & Electric

Lists Monroe among the areas it serves. Based in Everett.

  • Tank
  • Tankless
  • Heat pump
  • Repair
  • Emergency service

What the reviews say

Water heater feedback Republished reviews praised same-day replacement, quotes that matched the final bill, and technicians who explained why tanks failed.

Worth knowing No water heater complaints found in the sources checked; accounts come from a company-curated page.

4 water heater reviews read, checked September 30, 2026.

Fast Water Heater Co. (Washington)

Lists Monroe among the areas it serves. Based in Woodinville.

  • Tank
  • Tankless
  • Heat pump
  • Repair
  • Emergency service

What the reviews say

Water heater feedback Reviewers praised punctual, communicative technicians, quick scheduling and a competitively priced replacement.

Worth knowing BBB complainants and a Yelp reviewer said code items were sold as add-ons after a basic quote and that installs failed inspection or permits lingered; the company says it walks customers through a signed code checklist, and in several cases refunded charges or did the code work free.

5 water heater reviews read, checked September 30, 2026.

Goldstar Plumbing

Lists Monroe among the areas it serves. Based in Seattle.

  • Tank
  • Tankless
  • Heat pump
  • Repair
  • Emergency service

What the reviews say

Water heater feedback Testimonials praised heat pump water heater installs with clear options, permit and inspection handling, cleanup and haul-away.

Worth knowing No water heater complaints found in the sources checked.

2 water heater reviews read, checked September 30, 2026.

Harts Plumbers, Electricians, & HVAC Technicians

Lists Monroe among the areas it serves. Based in Tacoma.

  • Tank
  • Tankless
  • Heat pump
  • Repair
  • Emergency service

Published price: Promos (no base price): $100 off a standard water heater (or $39/month financing); $250 off a tankless water heater (or $199/month financing); 5% Heroes Discount up to $200.

What the reviews say

Water heater feedback Yelp reviewers praised technicians who flushed water heaters and explained maintenance clearly.

Worth knowing BBB reviewers and complainants said technicians recommended whole-house repipes or new tanks for water heater problems that other plumbers fixed cheaply (Harts denied any fraudulent practice and offered manager follow-up), and one disputed $2,500 for a tankless flush and diagnosis that did not fix the issue.

5 water heater reviews read, checked September 30, 2026.

Mr. Rooter Plumbing of Everett

Lists Monroe among the areas it serves. Based in Snohomish.

  • Tank
  • Tankless
  • Heat pump
  • Repair
  • Emergency service

What the reviews say

Water heater feedback A customer praised a fair price on a gas water heater install, no service fee and clear communication.

Worth knowing No water heater complaints found in the sources checked.

1 water heater review read, checked September 30, 2026.

Puget Sound Plumbing & Heating

Lists Monroe among the areas it serves. Based in Burien.

  • Tank
  • Tankless
  • Heat pump
  • Repair
  • Emergency service

What the reviews say

Water heater feedback Reviewers praised fast response to a leaking water heater, fair pricing and dispatch updates on arrival times.

Worth knowing No water heater complaints found in the sources checked.

3 water heater reviews read, checked September 30, 2026.

Order: companies based in Monroe first, then companies whose water heater reviews we’ve read. Each group is alphabetical. These businesses are not our employees or vetted partners and do not receive requests from Ember & Tank. We haven’t checked their license, insurance or quality of work. L&I Verify a Contractor, Tradesperson or Business ↗.

HOMES IN MONROE

What Monroe homes are like.

1997Median year built
22%Built before 1980
72%Owner-occupied
52%Heat with utility gas
79%Single-family homes

The median home was built in 1997. A first or second replacement is common in homes this age.

U.S. Census Bureau, American Community Survey ACS 2024 5-year ↗ (2020-2024). Heating fuel is what homes use to heat the house. It often, but not always, matches the water heater’s fuel.

LOCAL CONDITIONS

What’s different in Monroe.

Gas heaters need two permits

Every water heater replacement in Monroe needs a plumbing permit. If the new unit burns gas, you also need a mechanical permit.

Monroe: When Do I Need a Permit? ↗

ENERGY & WATER

Who supplies Monroe homes.

Energy

  • Electric: Snohomish County PUD (Covers all of Snohomish County)
  • Gas: Puget Sound Energy (PSE's service map shows Monroe; PSE supplies gas in parts of Snohomish County)

Snohomish PUD Quick Facts ↗ · PSE service area map (08/25) ↗

Water

City of Monroe water utility; all water is purchased from the City of Everett (Spada Lake Reservoir): About 12.5 ppm total hardness (range 10.2-15.8 ppm), very soft, per the City of Everett's 2025 Water Quality Summary for the supply Monroe buys.

Monroe Drinking Water ↗ · City of Everett 2025 Water Quality Summary ↗

REBATES & CREDITS

Rebates for Monroe homes.

For Snohomish County PUD and Puget Sound Energy customers in Monroe. Ask installers for the price before rebates, then check with the program that you qualify.

Checked September 30, 2026. Who qualifies and the conditions: Washington rebates · How to check an incentive.

PERMITS & LICENSING

Permits and licenses in Monroe.

Permits and who issues them

Monroe says replacing a water heater requires a plumbing permit, and a gas unit also needs a mechanical permit. Since March 23, 2026, the residential water heater permit, which used to be over the counter, is only available on the city's online permit portal.

City of Monroe Community Development (Building Division) ↗ · Monroe: When Do I Need a Permit? ↗ · Monroe Schedule B Plumbing and Mechanical Fees (effective Jan 1, 2026) ↗

Check the installer’s license

Ask for the license number and search it yourself on the L&I Verify a Contractor, Tradesperson or Business ↗. A listing on Ember & Tank is not a license check. Washington licensing explained →

NEARBY CITIES

Compare places near Monroe.

Permit and utility comparison for nearby cities
CityDistancePermit to replaceFeeElectric
Snohomish7 miRequired$50Snohomish County PUD
Silver Firs8 miRequired (county)$157Snohomish County PUD
Cottage Lake9 miRequired (county)$137Puget Sound Energy
Woodinville10 miRequired$119Puget Sound Energy
Mill Creek11 miRequired$175Snohomish County PUD
Lake Stevens11 miRequired$211Snohomish County PUD

COMMON QUESTIONS

Monroe water heater questions.

Do I need a permit to replace a water heater in Monroe?

Yes. You need a plumbing permit, and a mechanical permit too if the new unit is gas.

Monroe: When Do I Need a Permit? ↗

How much does it cost?

Plumbing is $32 base plus $11 for each water heater. A gas unit adds a mechanical permit ($32 base plus $16). A 5% technology fee is added (2026 Schedule B).

Monroe Schedule B (2026) ↗

Where do I get the electrical permit?

From Washington L&I. Monroe doesn't issue electrical permits.

Monroe: When Do I Need a Permit? ↗

More guides: Washington water heater replacement · All local guides